html, body {
    width: 100%;
    height: 100%;
}

body {
    background-color: #000;
    margin: 0;
    overflow: hidden;
    font-family: arial;
}

.hidden {
    display: none;
}

body {
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none;   /* Chrome/Safari/Opera */
  -khtml-user-select: none;    /* Konqueror */
  -moz-user-select: none;      /* Firefox */
  -ms-user-select: none;       /* IE/Edge */
  user-select: none;           /* non-prefixed version, currently
                                  not supported by any browser */
}

#hint {
    width: 500px;
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    color: white;
    font-weight: bold;
}
canvas {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 1;
}

#sound {
    display: none;
}

#stats { 
    position: absolute; 
    top:0; 
    left: 0;
} 
#stats #msGraph, 
#stats #fpsGraph {
    display: none;
}